• Added a context menu to tabs in the tab bar (#452).
• Added close items to the left and close items to the right commands.
• Fixed the Copy Path command in the project panel context menu to copy the file's absolute path, and introduced a new command, Copy Relative Path, which copies the file's path relative to the project root (#1364).
• Made the copy path and copy relative path commands available from the command palette when an editor is focused (#1389).